之前是在eclipse上寫的，后面換成了android sudio。

2048游戲的UI整體可以采用線性布局，即LinearLayout，其中嵌套一個(gè)線性布局和一個(gè)GridLayout，內(nèi)嵌的線性布局填充文本框，以顯示分?jǐn)?shù)，GridLayout中填充4×4的繼承自FrameLayout的card類作為主要的游戲界面。由于大部分操作都在GridLayout中進(jìn)行，可以自定義一個(gè)繼承自GridLayout的類GameView，類中定義判定上下左右滑動(dòng)的方法和每次滑動(dòng)后自動(dòng)添加一個(gè)隨機(jī)數(shù)字的方法以及每次滑動(dòng)后判斷游戲是否可以繼續(xù)進(jìn)行的方法。

主布局activity_main.xml代碼如下

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/container"//match_parent表示布局充滿整個(gè)屏幕android:layout_width="match_parent"android:layout_height="match_parent"tools:context="com.example.administractor.game2048.MainActivity"//里面的組件垂直放置android:orientation="vertical"tools:ignore="MergeRootFrame"><LinearLayout//寬度充滿整個(gè)屏幕，高度自適應(yīng)。android:layout_width="fill_parent"android:layout_height="wrap_content"android:orientation="horizontal" >//顯示當(dāng)前分?jǐn)?shù)的文本框<TextView android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Your Score:"/><TextViewandroid:id="@+id/tvScore"android:layout_width="wrap_content"android:layout_height="wrap_content"/></LinearLayout>//使用自定義的GridLayout<com.example.administractor.game2048.GameViewandroid:layout_width="fill_parent"android:layout_height="0dp"android:layout_weight="1"android:id="@+id/GameView" ></com.example.administractor.game2048.GameView> </LinearLayout>

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<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" ????xmlns:tools="http://schemas.android.com/tools" ????android:id="@+id/container" ????//match_parent表示布局充滿整個(gè)屏幕 ????android:layout_width="match_parent" ????android:layout_height="match_parent" ????tools:context="com.example.administractor.game2048.MainActivity" ????//里面的組件垂直放置 ????android:orientation="vertical" ????tools:ignore="MergeRootFrame"> ????<LinearLayout ????//寬度充滿整個(gè)屏幕，高度自適應(yīng)。 ????????android:layout_width="fill_parent" ????????android:layout_height="wrap_content" ????????android:orientation="horizontal"> ????????//顯示當(dāng)前分?jǐn)?shù)的文本框 ????????<TextViewandroid:layout_width="wrap_content" ????????????android:layout_height="wrap_content" ????????????android:text="Your Score:"/> ????????<TextView ????????????android:id="@+id/tvScore" ????????????android:layout_width="wrap_content" ????????????android:layout_height="wrap_content"/> ????</LinearLayout> ????//使用自定義的GridLayout ????<com.example.administractor.game2048.GameView ????????android:layout_width="fill_parent" ????????android:layout_height="0dp" ????????android:layout_weight="1" ????????android:id="@+id/GameView"> ????</com.example.administractor.game2048.GameView> </LinearLayout>

GameView.java：

packagecom.example.administrator.game2048;import java.util.ArrayList; import java.util.List;import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Point; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.View; import android.widget.GridLayout;public class GameView extends GridLayout { //調(diào)用類構(gòu)造方法public GameView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);//初始化游戲InitGameView();}public GameView(Context context, AttributeSet attrs) {super(context, attrs);InitGameView();}public GameView(Context context) {super(context);InitGameView();}private void InitGameView(){//設(shè)置為4x4個(gè)方格setColumnCount(4);//設(shè)置背景顏色setBackgroundColor(0xffeee4da);//判定滑動(dòng)方向setOnTouchListener(new OnTouchListener() {private float startx,starty,offsetx,offsety;@Overridepublic boolean onTouch(View v, MotionEvent event) {switch(event.getAction()){case MotionEvent.ACTION_DOWN:startx=event.getX();starty=event.getY();break;case MotionEvent.ACTION_UP:offsetx=event.getX()-startx;offsety=event.getY()-starty;if(Math.abs(offsetx)>Math.abs(offsety)){if(offsetx<-5){swipeLeft();}else if(offsetx>5){swipeRight();}}else{if(offsety<-5){swipeUp();}else if(offsetx>3){swipeDown();}}break;}return true;}});}//適應(yīng)不同大小的屏幕@Overrideprotected void onSizeChanged(int w, int h, int oldw, int oldh) {super.onSizeChanged(w, h, oldw, oldh);int cardWidth=(Math.min(h, w))/4;addCards(cardWidth,cardWidth);startGame();}//在4x4的方格上添加滿卡片public void addCards(int cardwidth,int cardheight){Card c;for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {c=new Card(getContext());c.setNum(0);addView(c, cardwidth, cardheight);cardmap[x][y]=c;}}}//游戲開始時(shí)每個(gè)卡片默認(rèn)值設(shè)為0，并隨機(jī)添加兩張帶數(shù)字的卡片private void startGame(){MainActivity.getMainActivity().clearScore();for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {cardmap[x][y].setNum(0);}}addRandomNum();addRandomNum();}private void addRandomNum() {//使用emptypoints將數(shù)字為0的card提取出來(lái)，并隨即選擇一個(gè)空card賦值emptyPoints.clear();for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {if(cardmap[x][y].getNum()<=0){emptyPoints.add(new Point(x,y));}}}Point p=emptyPoints.remove((int)(Math.random()*emptyPoints.size()));//2和4出現(xiàn)的概率控制在1：9cardmap[p.x][p.y].setNum(Math.random()>0.1?2:4);}//左滑方法private void swipeLeft(){//merge作為判斷能否滑動(dòng)的flagboolean merge = false;for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {for (int x1 = x+1; x1 <4; x1++) {if(cardmap[x1][y].getNum()>0){if(cardmap[x][y].getNum()<=0){cardmap[x][y].setNum(cardmap[x1][y].getNum());cardmap[x1][y].setNum(0);merge=true;x--;}else if(cardmap[x][y].equal(cardmap[x1][y])){cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x1][y].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge=true;}break;}}}}if(merge){addRandomNum();checkComplete();}}//下滑private void swipeDown(){boolean merge = false;for (int x = 0; x < 4; x++) {for (int y = 3; y >=0; y--) {for (int y1 = y-1; y1 >=0; y1--) {if (cardmap[x][y1].getNum()>0) {if (cardmap[x][y].getNum()<=0) {cardmap[x][y].setNum(cardmap[x][y1].getNum());cardmap[x][y1].setNum(0);y++;merge = true;}else if (cardmap[x][y].equal(cardmap[x][y1])) {cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x][y1].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge = true;}break;}}}}if (merge) {addRandomNum();checkComplete();}}//上滑private void swipeUp(){boolean merge = false;for (int x = 0; x < 4; x++) {for (int y = 0; y < 4; y++) {for (int y1 = y+1; y1 < 4; y1++) {if (cardmap[x][y1].getNum()>0) {if (cardmap[x][y].getNum()<=0) {cardmap[x][y].setNum(cardmap[x][y1].getNum());cardmap[x][y1].setNum(0);y--;merge = true;}else if (cardmap[x][y].equal(cardmap[x][y1])) {cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x][y1].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge = true;}break;}}}}if (merge) {addRandomNum();checkComplete();}}//右滑private void swipeRight(){boolean merge = false;for (int y = 0; y < 4; y++) {for (int x = 3; x >=0; x--) {for (int x1 = x-1; x1 >=0; x1--) {if(cardmap[x1][y].getNum()>0){if(cardmap[x][y].getNum()<=0){cardmap[x][y].setNum(cardmap[x1][y].getNum());cardmap[x1][y].setNum(0);x++;merge=true;}else if(cardmap[x][y].equal(cardmap[x1][y])){cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x1][y].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge=true;}break;}}}}if(merge){addRandomNum();checkComplete();}}//如果有空卡片或者相鄰的值相同卡片則游戲還能進(jìn)行public void checkComplete(){boolean complete=true;ALL:for (int y = 0; y <4; y++) {for (int x = 0; x <4; x++) {if(cardmap[x][y].getNum()==0||x>0&&cardmap[x][y].equal(cardmap[x-1][y])||x<3&&cardmap[x][y].equal(cardmap[x+1][y])||y>0&&cardmap[x][y].equal(cardmap[x][y-1])||y<3&&cardmap[x][y].equal(cardmap[x][y+1])){complete=false;break ALL;}}}//游戲結(jié)束彈出alert提示窗口if(complete){new AlertDialog.Builder(getContext()).setTitle("大林哥溫馨提示").setMessage("游戲結(jié) 束").setPositiveButton("重來(lái)",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface arg0, int arg1) {startGame();}}).show();}}private Card[][] cardmap=new Card[4][4];private List<Point> emptyPoints=new ArrayList<Point>(); }

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packagecom.example.administrator.game2048; importjava.util.ArrayList; import java.util.List; import android.app.AlertDialog; importandroid.content.Context; import android.content.DialogInterface; importandroid.graphics.Point; import android.util.AttributeSet; importandroid.view.MotionEvent; import android.view.View; importandroid.widget.GridLayout; publicclass GameViewextends GridLayout{ //調(diào)用類構(gòu)造方法 ????publicGameView(Contextcontext,AttributeSet attrs,int defStyle){ ????????super(context,attrs,defStyle); ????????//初始化游戲 ????????InitGameView(); ????} ????publicGameView(Contextcontext,AttributeSet attrs){ ????????super(context,attrs); ????????InitGameView(); ????} ????publicGameView(Contextcontext){ ????????super(context); ????????InitGameView(); ????} ????privatevoid InitGameView(){ ????????//設(shè)置為4x4個(gè)方格 ????????setColumnCount(4); ????????//設(shè)置背景顏色 ????????setBackgroundColor(0xffeee4da); ????????//判定滑動(dòng)方向 ????????setOnTouchListener(newOnTouchListener(){ ????????????privatefloat startx,starty,offsetx,offsety; ????????????@Override ????????????publicboolean onTouch(Viewv,MotionEvent event){ ????????????????switch(event.getAction()){ ????????????????????caseMotionEvent.ACTION_DOWN: ????????????????????????startx=event.getX(); ????????????????????????starty=event.getY(); ????????????????????????break; ????????????????????caseMotionEvent.ACTION_UP: ????????????????????????offsetx=event.getX()-startx; ????????????????????????offsety=event.getY()-starty; ????????????????????????if(Math.abs(offsetx)>Math.abs(offsety)){ ????????????????????????????if(offsetx<-5){ ????????????????????????????????swipeLeft(); ????????????????????????????}elseif(offsetx>5){ ????????????????????????????????swipeRight(); ????????????????????????????} ????????????????????????}else{ ????????????????????????????if(offsety<-5){ ????????????????????????????????swipeUp(); ????????????????????????????}elseif(offsetx>3){ ????????????????????????????????swipeDown(); ????????????????????????????} ????????????????????????} ????????????????????????break; ????????????????} ????????????????returntrue; ????????????} ????????}); ????} ????//適應(yīng)不同大小的屏幕 ????@Override ????protectedvoid onSizeChanged(intw,int h,int oldw,int oldh){ ????????super.onSizeChanged(w,h,oldw,oldh); ????????intcardWidth=(Math.min(h,w))/4; ????????addCards(cardWidth,cardWidth); ????????startGame(); ????} ????//在4x4的方格上添加滿卡片 ????publicvoid addCards(intcardwidth,intcardheight){ ????????Cardc; ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????c=newCard(getContext()); ????????????????c.setNum(0); ????????????????addView(c,cardwidth,cardheight); ????????????????cardmap[x][y]=c; ????????????} ????????} ????} ????//游戲開始時(shí)每個(gè)卡片默認(rèn)值設(shè)為0，并隨機(jī)添加兩張帶數(shù)字的卡片 ????privatevoid startGame(){ ????????MainActivity.getMainActivity().clearScore(); ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????cardmap[x][y].setNum(0); ????????????} ????????} ????????addRandomNum(); ????????addRandomNum(); ????} ????privatevoid addRandomNum(){ ????????//使用emptypoints將數(shù)字為0的card提取出來(lái)，并隨即選擇一個(gè)空card賦值 ????????emptyPoints.clear(); ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????emptyPoints.add(newPoint(x,y)); ????????????????} ????????????} ????????} ????????Pointp=emptyPoints.remove((int)(Math.random()*emptyPoints.size())); ????????//2和4出現(xiàn)的概率控制在1：9 ????????cardmap[p.x][p.y].setNum(Math.random()>0.1?2:4); ????} ????//左滑方法 ????privatevoid swipeLeft(){ ????????//merge作為判斷能否滑動(dòng)的flag ????????booleanmerge =false; ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????for(intx1 =x+1;x1 <4;x1++){ ????????????????????if(cardmap[x1][y].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x1][y].getNum()); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????merge=true; ????????????????????????????x--; ????????????????????????}elseif(cardmap[x][y].equal(cardmap[x1][y])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge=true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//下滑 ????privatevoid swipeDown(){ ????????booleanmerge =false; ????????for(intx =0;x <4;x++){ ????????????for(inty =3;y >=0;y--){ ????????????????for(inty1 =y-1;y1 >=0;y1--){ ????????????????????if(cardmap[x][y1].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y1].getNum()); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????y++; ????????????????????????????merge= true; ????????????????????????}elseif (cardmap[x][y].equal(cardmap[x][y1])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge= true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//上滑 ????privatevoid swipeUp(){ ????????booleanmerge =false; ????????for(intx =0;x <4;x++){ ????????????for(inty =0;y <4;y++){ ????????????????for(inty1 =y+1;y1 <4;y1++){ ????????????????????if(cardmap[x][y1].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y1].getNum()); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????y--; ????????????????????????????merge= true; ????????????????????????}elseif (cardmap[x][y].equal(cardmap[x][y1])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge= true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//右滑 ????privatevoid swipeRight(){ ????????booleanmerge =false; ????????for(inty =0;y <4;y++){ ????????????for(intx =3;x >=0;x--){ ????????????????for(intx1 =x-1;x1 >=0;x1--){ ????????????????????if(cardmap[x1][y].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x1][y].getNum()); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????x++; ????????????????????????????merge=true; ????????????????????????}elseif(cardmap[x][y].equal(cardmap[x1][y])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge=true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//如果有空卡片或者相鄰的值相同卡片則游戲還能進(jìn)行 ????publicvoid checkComplete(){ ????????booleancomplete=true; ????????ALL: ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????if(cardmap[x][y].getNum()==0|| ????????????????????????x>0&&cardmap[x][y].equal(cardmap[x-1][y])|| ????????????????????????x<3&&cardmap[x][y].equal(cardmap[x+1][y])|| ????????????????????????y>0&&cardmap[x][y].equal(cardmap[x][y-1])|| ????????????????????????y<3&&cardmap[x][y].equal(cardmap[x][y+1])){ ????????????????????complete=false; ????????????????????breakALL; ????????????????} ????????????} ????????} ????????//游戲結(jié)束彈出alert提示窗口 ????????if(complete){ ????????????newAlertDialog.Builder(getContext()).setTitle("大林哥溫馨提示").setMessage("游戲結(jié)束").setPositiveButton("重來(lái)",newDialogInterface.OnClickListener(){ ????????????????@Override ????????????????publicvoid onClick(DialogInterfacearg0,int arg1){ ????????????????????startGame(); ????????????????} ????????????}).show(); ????????} ????} ????privateCard[][]cardmap=newCard[4][4]; ????privateList<Point>emptyPoints=newArrayList<Point>(); }

主類MainActivity.java：

package com.example.administrator.game2048;import android.app.Activity; import android.os.Bundle; import android.widget.TextView;public class MainActivity extends Activity {public MainActivity(){mainActivity=this;}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tvscore = (TextView) findViewById(R.id.tvScore);}public void clearScore(){score=0;showScore();}public void showScore(){tvscore.setText(score+"");}public void addScore(int s){score+=s;showScore();}private TextView tvscore;private int score=0;public static MainActivity mainActivity=null;public static MainActivity getMainActivity() {return mainActivity;} }

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packagecom.example.administrator.game2048; importandroid.app.Activity; import android.os.Bundle; importandroid.widget.TextView; publicclass MainActivityextends Activity{ ????publicMainActivity(){ ????????mainActivity=this; ????} ????@Override ????protectedvoid onCreate(BundlesavedInstanceState){ ????????super.onCreate(savedInstanceState); ????????setContentView(R.layout.activity_main); ????????tvscore= (TextView)findViewById(R.id.tvScore); ????} ????publicvoid clearScore(){ ????????score=0; ????????showScore(); ????} ????publicvoid showScore(){ ????????tvscore.setText(score+""); ????} ????publicvoid addScore(ints){ ????????score+=s; ????????showScore(); ????} ????privateTextView tvscore; ????privateint score=0; ????publicstatic MainActivitymainActivity=null; ????publicstatic MainActivitygetMainActivity(){ ????????returnmainActivity; ????} }

Card.java：

package com.example.administrator.game2048;import android.content.Context; import android.view.Gravity; import android.view.View; import android.widget.FrameLayout; import android.widget.TextView;public class Card extends FrameLayout {public Card(Context context) {super(context);LayoutParams lp = null;View background = new View(getContext());//參數(shù)-1表示layoutparams填充滿整個(gè)父容器lp = new LayoutParams(-1, -1);//設(shè)置卡片之間有10像素的間隔lp.setMargins(10, 10, 0, 0);background.setBackgroundColor(0x33ffffff);addView(background, lp);label = new TextView(getContext());label.setTextSize(28);label.setGravity(Gravity.CENTER);lp = new LayoutParams(-1, -1);lp.setMargins(10, 10, 0, 0);addView(label, lp);setNum(0);}private int n=0;public int getNum(){return n;}//設(shè)置數(shù)字及對(duì)應(yīng)的背景顏色public void setNum(int n){this.n=n;if(n<=0){label.setText("");}else{label.setText(n+"");}switch (n) {case 0:label.setBackgroundColor(0x00000000);break;case 2:label.setBackgroundColor(0xffeee4da);break;case 4:label.setBackgroundColor(0xffede0c8);break;case 8:label.setBackgroundColor(0xfff2b179);break;case 16:label.setBackgroundColor(0xfff59563);break;case 32:label.setBackgroundColor(0xfff67c5f);break;case 64:label.setBackgroundColor(0xfff65e3b);break;case 128:label.setBackgroundColor(0xffedcf72);break;case 256:label.setBackgroundColor(0xffedcc61);break;case 512:label.setBackgroundColor(0xffedc850);break;case 1024:label.setBackgroundColor(0xffedc53f);break;case 2048:label.setBackgroundColor(0xffedc22e);break;default:label.setBackgroundColor(0xff3c3a32);break;}}//判斷卡片是否相等public boolean equal(Card o){return getNum()==o.getNum();}private TextView label; }

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packagecom.example.administrator.game2048; importandroid.content.Context; import android.view.Gravity; importandroid.view.View; import android.widget.FrameLayout; importandroid.widget.TextView; publicclass Cardextends FrameLayout{ ????publicCard(Contextcontext){ ????????super(context); ????????LayoutParamslp =null; ????????Viewbackground =new View(getContext()); ????????//參數(shù)-1表示layoutparams填充滿整個(gè)父容器 ????????lp= newLayoutParams(-1,-1); ????????//設(shè)置卡片之間有10像素的間隔 ????????lp.setMargins(10,10,0,0); ????????background.setBackgroundColor(0x33ffffff); ????????addView(background,lp); ????????label= newTextView(getContext()); ????????label.setTextSize(28); ????????label.setGravity(Gravity.CENTER); ????????lp= newLayoutParams(-1,-1); ????????lp.setMargins(10,10,0,0); ????????addView(label,lp); ????????setNum(0); ????} ????privateint n=0; ????publicint getNum(){ ????????returnn; ????} ????//設(shè)置數(shù)字及對(duì)應(yīng)的背景顏色 ????publicvoid setNum(intn){ ????????this.n=n; ????????if(n<=0){ ????????????label.setText(""); ????????}else{ ????????????label.setText(n+""); ????????} ????????switch(n){ ????????????case0: ????????????????label.setBackgroundColor(0x00000000); ????????????????break; ????????????case2: ????????????????label.setBackgroundColor(0xffeee4da); ????????????????break; ????????????case4: ????????????????label.setBackgroundColor(0xffede0c8); ????????????????break; ????????????case8: ????????????????label.setBackgroundColor(0xfff2b179); ????????????????break; ????????????case16: ????????????????label.setBackgroundColor(0xfff59563); ????????????????break; ????????????case32: ????????????????label.setBackgroundColor(0xfff67c5f); ????????????????break; ????????????case64: ????????????????label.setBackgroundColor(0xfff65e3b); ????????????????break; ????????????case128: ????????????????label.setBackgroundColor(0xffedcf72); ????????????????break; ????????????case256: ????????????????label.setBackgroundColor(0xffedcc61); ????????????????break; ????????????case512: ????????????????label.setBackgroundColor(0xffedc850); ????????????????break; ????????????case1024: ????????????????label.setBackgroundColor(0xffedc53f); ????????????????break; ????????????case2048: ????????????????label.setBackgroundColor(0xffedc22e); ????????????????break; ????????????default: ????????????????label.setBackgroundColor(0xff3c3a32); ????????????????break; ????????} ????} ????//判斷卡片是否相等 ????publicboolean equal(Cardo){ ????????returngetNum()==o.getNum(); ????} ????privateTextView label; }

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